Largest atoll

Last updated: October 15, 2017 at 2:10 am

Great Chagos Bank (Indian Ocean) – 13,000 sq km (5,019 sq miles). The atoll is mostly submerged. The total land area of the atoll, which is administered by the United Kingdom, is only 6 sq km (2.32 sq miles).

British Indian Ocean Territory (BIOT)

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